level of IgG receptor FcRn large subunit p51 (human) in cerebrospinal fluid (OBA_2058185, an Ontology of Biological Attributes term) is the amount of a IgG receptor FcRn large subunit p51 (human) when measured in cerebrospinal fluid. Also known as: cerebrospinal fluid IgG receptor FcRn large subunit p51 (human) amount.